Unify OpenScape Desk Phone IP 55G - Announcing the Local Phone Number

OpenScape Voice functions 199
Announcing the local phone number
You can use this function in order, for example, to identify the phone number of
a phone in a conference room if it is not indicated on the display.
^ Lift the handset.
j Enter the code for "Announcing the local phone number" (see code table
 Page 201). The phone number is announced.
] Then hang up.